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Conditions at Cabo de San Antonio in September
September: Peak Hurricane Season Meets Minimal Background Swell
September is still deep in the low season statistically, with average heights around 2.3ft (0.7m) and the year's shortest average period at 5.8s. The dominant wave directions are ESE (21.3%), E (17.7%), SE (15.2%), and ENE (14.1%), and the favorable SSE-SW sector is about 7.4%. Most waves are under 1m, and the wind is ideal only 16% of the time. However, this is the absolute peak of the Caribbean hurricane season, and the occasional SSE/SSW pulse from a passing tropical cyclone is the exception that can turn an otherwise flat month into a pumping one. The water is still a tropical 30.0°C, air temps average 29.1°C, and rainfall is the wettest of the year at 5.50 mm/day. Keep the forecast apps close and be ready to move when a storm organizes in the western Caribbean.
Average Spot conditions at Cabo de San Antonio in September
Swell history for September
Wind history for September
Swell quality
Analyze the groundswell consistency at Cabo de San Antonio during September. Based on historical data, there is a % probability of groundswell occurring this month. The chart below provides a detailed breakdown of the average wave height distribution, offering deep insights into the swell quality and surf potential you can expect at Cabo de San Antonio for your next trip in September.
Ground swell
Ground swell by size
Wind conditions
Evaluate the wind and swell alignment at Cabo de San Antonio for September. Our analysis shows that favorable offshore or side-shore winds coincide with surfable swell approximately % of the time. The accompanying graph illustrates the average size distribution of waves during these optimal wind windows at Cabo de San Antonio.